utils/ogl/src/ogldiag.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        ogldiag.h
   3 // Purpose:     OGL - wxDiagram class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _OGL_OGLDIAG_H_
  13 #define _OGL_OGLDIAG_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "ogldiag.h"
  17 #endif
  18
  19 #include "basic.h"
  20
  21 class wxDiagram: public wxObject
  22 {
  23  DECLARE_DYNAMIC_CLASS(wxDiagram)
  24
  25 public:
  26
  27   wxDiagram();
  28   virtual ~wxDiagram();
  29
  30   void SetCanvas(wxShapeCanvas *can);
  31
  32   inline wxShapeCanvas *GetCanvas() const { return m_diagramCanvas; }
  33
  34   virtual void Redraw(wxDC& dc);
  35   virtual void Clear(wxDC& dc);
  36   virtual void DrawOutline(wxDC& dc, float x1, float y1, float x2, float y2);
  37
  38   // Add object to end of object list (if addAfter is NULL)
  39   // or just after addAfter.
  40   virtual void AddShape(wxShape *object, wxShape *addAfter = NULL);
  41
  42   // Add object to front of object list
  43   virtual void InsertShape(wxShape *object);
  44
  45   void SetSnapToGrid(bool snap);
  46   void SetGridSpacing(float spacing);
  47   inline float GetGridSpacing() { return m_gridSpacing; }
  48   inline bool GetSnapToGrid() const { return m_snapToGrid; }
  49   void Snap(float *x, float *y);
  50
  51   inline void SetQuickEditMode(bool qem) { m_quickEditMode = qem; }
  52   inline bool GetQuickEditMode() const { return m_quickEditMode; }
  53
  54   virtual void RemoveShape(wxShape *object);
  55   virtual void RemoveAllShapes();
  56   virtual void DeleteAllShapes();
  57   virtual void ShowAll(bool show);
  58
  59   inline void SetMouseTolerance(int tol) { m_mouseTolerance = tol; }
  60   inline int GetMouseTolerance() const { return m_mouseTolerance; }
  61   inline wxList *GetShapeList() const { return m_shapeList; }
  62
  63   // Make sure all text that should be centred, is centred.
  64   void RecentreAll(wxDC& dc);
  65
  66 #ifdef PROLOGIO
  67   // Prolog database stuff
  68   virtual bool SaveFile(const wxString& filename);
  69   virtual bool LoadFile(const wxString& filename);
  70
  71   virtual void ReadNodes(wxExprDatabase& database);
  72   virtual void ReadLines(wxExprDatabase& database);
  73   virtual void ReadContainerGeometry(wxExprDatabase& database);
  74
  75   // Allow for modifying file
  76   virtual bool OnDatabaseLoad(wxExprDatabase& db);
  77   virtual bool OnDatabaseSave(wxExprDatabase& db);
  78   virtual bool OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  79   virtual bool OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  80   virtual bool OnHeaderSave(wxExprDatabase& db, wxExpr& expr);
  81   virtual bool OnHeaderLoad(wxExprDatabase& db, wxExpr& expr);
  82 #endif
  83
  84 protected:
  85   wxShapeCanvas*        m_diagramCanvas;
  86   bool                  m_quickEditMode;
  87   bool                  m_snapToGrid;
  88   float                 m_gridSpacing;
  89   int                   m_mouseTolerance;
  90   wxList*               m_shapeList;
  91 };
  92
  93 #endif
  94  // _OGL_OGLDIAG_H_